With so many orphans _______, the charity organization calls for more donations.
A.to look after | B.being looked after | C.to be looked after | D.looked after |
We still have some other ways to solve the problem. You ______ be worried.
A.mustn’t | B.can’t |
C.don’t have to | D.may not |
Harry Potter has made reading popular again, ______ is why parents and teachers like the book, too.
A.that | B.who | C.which | D.what |
Some countries have banned smoking in public places ______ public health.
A.improve | B.to improve |
C.improving | D.improved |
Mr. Smith had to go to work by bus this morning as his car ______.
A.would repair |
B.was repairing |
C.had been repaired |
D.was being repaired |
Food and fruit are forbidden in the library, ______ you are allowed to have drinks and sweets with you.
A.and | B.but | C.so | D.or |